{"id":6545,"date":"2021-11-06T16:19:19","date_gmt":"2021-11-06T08:19:19","guid":{"rendered":"https:\/\/www.packingcosmetic.com\/?p=6545"},"modified":"2022-05-25T16:20:46","modified_gmt":"2022-05-25T08:20:46","slug":"cuales-son-las-condiciones-de-moldeo-por-inyeccion-para-los-frascos-de-locion-cosmetica-para-mascotas","status":"publish","type":"post","link":"https:\/\/www.packingcosmetic.com\/es\/cuales-son-las-condiciones-de-moldeo-por-inyeccion-para-los-frascos-de-locion-cosmetica-para-mascotas\/","title":{"rendered":"\u00bfCu\u00e1les son las condiciones de moldeo por inyecci\u00f3n de los frascos de loci\u00f3n cosm\u00e9tica de PET?"},"content":{"rendered":"

\u00bfCu\u00e1les son las condiciones de moldeo por inyecci\u00f3n de los frascos de loci\u00f3n cosm\u00e9tica de PET?<\/strong><\/p>\n

1\u3001Temperatura del barril. El rango de temperatura de moldeo del PET es estrecho, y la temperatura afectar\u00e1 directamente al rendimiento del producto. Si la temperatura es demasiado baja, la participaci\u00f3n no es buena, dando lugar a defectos como la depresi\u00f3n y la falta de material en las piezas de pl\u00e1stico; por el contrario, si la temperatura es demasiado alta, causar\u00e1 el desbordamiento de los bordes, el flujo de la boca de la boquilla, el oscurecimiento del color, la reducci\u00f3n de la resistencia mec\u00e1nica, e incluso la degradaci\u00f3n. La temperatura general del barril se controla a 240~280\u2103, y la temperatura del barril de PET reforzado con fibra de vidrio es de 250~290\u2103, no m\u00e1s de 300\u2103. La temperatura de la boquilla es generalmente 10~20\u2103 m\u00e1s baja que la temperatura del barril.<\/p>\n

\"\"<\/p>\n

2\u3001Temperatura del molde. La temperatura del molde afecta directamente a la velocidad de enfriamiento y a la cristalinidad de la masa fundida. Diferentes cristales significan diferente rendimiento de las piezas de pl\u00e1stico. El control general de la temperatura del molde en 100 ~ 140 \u2103. Cuando el moldeo de piezas de pl\u00e1stico de pared delgada, puede ser de un valor peque\u00f1o, cuando el moldeo de piezas de pl\u00e1stico de pared gruesa, puede ser de gran valor.<\/p>\n

3. Presi\u00f3n de inyecci\u00f3n. La fluidez de la masa fundida de PET es buena y f\u00e1cil de moldear. Generalmente se utiliza presi\u00f3n media, la presi\u00f3n es de 80~140MPa. La presi\u00f3n de inyecci\u00f3n del PET reforzado con fibra de vidrio es de 90~150MPa. La determinaci\u00f3n de la presi\u00f3n de inyecci\u00f3n debe considerar la viscosidad, el tipo y la cantidad de PET.<\/p>","protected":false},"excerpt":{"rendered":"

What are the injection molding conditions for PET cosmetic lotion bottles? 1\u3001Barrel temperature. PET’s molding temperature range is narrow, and the temperature will directly affect the performance of the product. If the temperature is too low, the participation is not good, resulting in defects such as depression and lack of material in the plastic parts; … Leer m\u00e1s<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6545","post","type-post","status-publish","format-standard","hentry","category-cosmetic-packaging"],"acf":[],"yoast_head":"\nWhat are the injection molding conditions for PET cosmetic lotion bottles? - YBJ Cosmetic Packaging Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.packingcosmetic.com\/es\/cuales-son-las-condiciones-de-moldeo-por-inyeccion-para-los-frascos-de-locion-cosmetica-para-mascotas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the injection molding conditions for PET cosmetic lotion bottles? - YBJ Cosmetic Packaging Manufacturer\" \/>\n<meta property=\"og:description\" content=\"What are the injection molding conditions for PET cosmetic lotion bottles? 1\u3001Barrel temperature. 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